isMountPoint bool
}

func testDirLinks(t *testing.T, tests []dirLinkTest) {
	tmpdir := t.TempDir()
	chdir(t, tmpdir)

	dir := filepath.Join(tmpdir, "dir")
	err := os.Mkdir(dir, 0777)
	if err != nil {
		t.Fatal(err)
	}
	fi, err := os.Stat(dir)
	if err != nil {
		t.Fatal(err)
	}
	err = os.WriteFile(filepath.Join(dir, "abc"), []byte("abc"), 0644)
	if err != nil {
		t.Fatal(err)

			func(base string) error {
				return nil
			},
			"test/directory",
			"test/directory",
			os.FileMode(0777) + os.ModeDir + os.ModeSetgid,
			false,
		},
		{
			"directory-with-suid",
			func(base string) error {
				return nil
			},
			"test/directory",
			"test/directory",
			os.FileMode(0777) + os.ModeDir + os.ModeSetuid,
			false,
		},
		{
			"directory-with-sticky-bit",
			func(base string) error {

	if b, err := cmd.CombinedOutput(); err != nil {
		t.Fatalf("build failed (%v): %s", err, b)
	}
	return harnessPath
}

func mkdir(t *testing.T, d string) string {
	t.Helper()
	if err := os.Mkdir(d, 0777); err != nil {
		t.Fatalf("mkdir failed: %v", err)
	}
	return d
}

// updateGoCoverDir updates the specified environment 'env' to set
// GOCOVERDIR to 'gcd' (if setGoCoverDir is TRUE) or removes

		return outputDir, filepath.Join(outputDir, "kubelet.cert"), filepath.Join(outputDir, "kubelet.key")
	}

	writeDir, writeCertPath, writeKeyPath := certKeyPathFn("identity.tmp")
	if err := os.Mkdir(writeDir, 0777); err != nil {
		return "", "", err
	}

	if err := removeThenCreate(writeCertPath, cert, os.FileMode(0644)); err != nil {
		return "", "", err
	}

	}
	return "PATH"
}()

func TestLookPath(t *testing.T) {
	testenv.MustHaveExec(t)
	// Not parallel: uses Chdir and Setenv.

	tmpDir := filepath.Join(t.TempDir(), "testdir")
	if err := os.Mkdir(tmpDir, 0777); err != nil {
		t.Fatal(err)
	}

	executable := "execabs-test"
	if runtime.GOOS == "windows" {
		executable += ".exe"
	}

			if c.skipOnWindows && goruntime.GOOS == "windows" {
				t.Skip("Skipping test that fails on Windows")
			}

			fs := utilfs.NewTempFs()
			fs.MkdirAll(configDir, 0777)
			path := filepath.Join(configDir, kubeletFile)
			if c.file != nil {
				if err := addFile(fs, path, *c.file); err != nil {
					t.Fatalf("unexpected error: %v", err)
				}
			}

	xLog, buildX := cfg.BuildXWriter(ctx)
	if buildX {
		fmt.Fprintf(xLog, "mkdir -p %s # %s %s\n", filepath.Dir(dir), typ, name)
	}
	if err := os.MkdirAll(filepath.Dir(dir), 0777); err != nil {
		return "", "", err
	}

	lockfile = dir + ".lock"
	if buildX {
		fmt.Fprintf(xLog, "# lock %s\n", lockfile)
	}

	unlock, err := lockedfile.MutexAt(lockfile).Lock()
	if err != nil {

00000100  cb 3b 74                                          |.;t|
>>> Flow 2 (server to client)
00000000  16 03 03 00 55 02 00 00  51 03 03 a3 a8 ef 9d b3  |....U...Q.......|
00000010  36 14 00 fe 5b e4 07 77  e7 78 c8 b4 d8 96 8d 72  |6...[..w.x.....r|
00000020  c5 79 99 10 8f 6e ac e3  fd 99 ee 20 53 99 57 36  |.y...n..... S.W6|
00000030  7e 9b 89 a3 79 c7 57 c6  f6 c7 2c 66 0a 6b 48 a2  |~...y.W...,f.kH.|

	if !testenv.HasGoBuild() {
		return
	}

	exit := m.Run()

	if buildDir != "" {
		os.RemoveAll(buildDir)
	}
	os.Exit(exit)
}

func copyDir(dst, src string) error {
	err := os.MkdirAll(dst, 0777)
	if err != nil {
		return err
	}
	entries, err := os.ReadDir(src)
	if err != nil {
		return err
	}
	for _, entry := range entries {

		name := s.Path(s.ExpandEnv(f.Name, false))

		if !strings.HasPrefix(name, wd) {
			return fmt.Errorf("file %#q is outside working directory", f.Name)
		}

		if err := os.MkdirAll(filepath.Dir(name), 0777); err != nil {
			return err
		}
		if err := os.WriteFile(name, f.Data, 0666); err != nil {
			return err
		}
	}

	return nil
}